$ git clone -n https://gitee.com/douzhichong/netperf.git /var/lib/mock/dist-an23-build-481239-74252/root/chroot_tmpdir/scmroot/netperf
Cloning into '/var/lib/mock/dist-an23-build-481239-74252/root/chroot_tmpdir/scmroot/netperf'...
$ git fetch origin 665b4e9ec46ffb40166c0598c933757582f0f634:KOJI_FETCH_HEAD
From https://gitee.com/douzhichong/netperf
 * [new ref]         665b4e9ec46ffb40166c0598c933757582f0f634 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 665b4e9 update netperf.spec.